Electronic encryption units consisting of computer hardware and software incorporating encryption technology for provided security for local-area networks, wide-area networks and public Asynchronous Transfer Mode (ATM) networks; and electronic encryption units consisting of computer hardware and software incorporating encryption technology and security for voice, video and data transmission

Electronic encryption units consisting of computer hardware and software incorporating encryption technology for provided security for local-area networks, wide-area networks and public Asynchronous Transfer Mode (ATM) networks; and electronic encryption units consisting of computer hardware and software incorporating encryption technology and security for voice, video and data transmission